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zuc: eia256 ppc64x fix

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Sun Yimin 2024-10-01 09:41:21 +08:00 committed by GitHub
parent 25edd4d12d
commit 282e061b3b
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GPG Key ID: B5690EEEBB952194
2 changed files with 5 additions and 4 deletions
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1
zuc/eia256.go
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@ -224,6 +224,7 @@ func (m *ZUC256Mac) Finish(p []byte, nbits int) []byte {
b = p[nbytes]
}
digest := m.checkSum(nRemainBits, b)
m.Reset()
return digest[:]
}

8
zuc/eia256_asm_ppc64x.s
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@ -52,8 +52,8 @@ TEXT ·eia256RoundTag8(SB),NOSPLIT,$0
MOVD $0x10, R8
LXVD2X (PTR)(R8), BIT_REV_TAB_L
VSLB BIT_REV_TAB_L, XTMP2, BIT_REV_TAB_H
VPERM BIT_REV_TAB_L, BIT_REV_TAB_L, XTMP3, XTMP3
VPERM BIT_REV_TAB_H, BIT_REV_TAB_H, XTMP1, XTMP1
VPERM BIT_REV_TAB_L, BIT_REV_TAB_L, XTMP1, XTMP1
VPERM BIT_REV_TAB_H, BIT_REV_TAB_H, XTMP3, XTMP3
VXOR XTMP1, XTMP3, XTMP3 // XTMP3 - bit reverse data bytes
// ZUC authentication part, 4x32 data bits
@ -142,8 +142,8 @@ TEXT ·eia256RoundTag16(SB),NOSPLIT,$0
MOVD $0x10, R8
LXVD2X (PTR)(R8), BIT_REV_TAB_L
VSLB BIT_REV_TAB_L, XTMP2, BIT_REV_TAB_H
VPERM BIT_REV_TAB_L, BIT_REV_TAB_L, XTMP3, XTMP3
VPERM BIT_REV_TAB_H, BIT_REV_TAB_H, XTMP1, XTMP1
VPERM BIT_REV_TAB_L, BIT_REV_TAB_L, XTMP1, XTMP1
VPERM BIT_REV_TAB_H, BIT_REV_TAB_H, XTMP3, XTMP3
VXOR XTMP1, XTMP3, XTMP3 // XTMP3 - bit reverse data bytes
// ZUC authentication part, 4x32 data bits